Fix seaside link

Author: codefrau

_features/web_development.md

@@ -4,4 +4,4 @@ order:      5
 img-src:    features/webdev.png
 img-border: true
 ---
-With frameworks like [Seaside](https://www.seaside.st/){:target="_blank"} and [AIDA](https://www.aidaweb.si/){:target="_blank"}, Squeak can be a web server. It provides a layered set of abstractions over HTTP and HTML that let you build highly interactive web applications quickly, reusably,` and maintainably.
+With frameworks like [Seaside](/Seaside){:target="_blank"} and [AIDA](https://www.aidaweb.si/){:target="_blank"}, Squeak can be a web server. It provides a layered set of abstractions over HTTP and HTML that let you build highly interactive web applications quickly, reusably,` and maintainably.